*{
	padding:0;
	margin:0;
	list-style-type:none;
}
body{
	width:100%;
	height:100%;
}

.app{
	width:57px;
	height:57px;
	position:fixed;
	right:0;
	bottom:0;
}

.menu-a{
	width:100px;
	height:100px;
	position:absolute;
	bottom:1px;
	right:1px;
	z-index:10;
	cursor:pointer;
}

.menu-a span{
	diplay:none;
}

.btn{
	width:57px;
	height:57px;
	background:url(../img/bg1.png) no-repeat -78px -6px;
	z-index:1;
	position:absolute;
	bottom:0;
	right:0;
	margin:0 5px 2px 0;
	cursor:pointer;
}

.btn span{
	display:block;
	width:22px;
	height:24px;
	font-size:0;
	position:absolute;
	top:50%;
	left:50%;
	margin-top:-12px;
	margin-left:-11px;
	overflow:hidden;
	background:url(../img/bg1.png) no-repeat;
}

.btn1 span{
	background-position:-179px -20px;
}

.btn2 span{
	background-position:-200px -18px;
}

.btn3 span{
	background-position:-221px -17px;
}

.btn4 span{
	background-position:-243px -19px;
}

.btn5 span{
	background-position:-267px -20px;
}

.btn{
	transition:bottom .1s,right .1s;
}

.btn1.close, .btn2.close, .btn3.close, .btn4.close{
	bottom:0;
	right:0;
}

.btn1.open{
	bottom:175px;
	right:0;
}

.btn2.open{
	bottom:150px;
	right:62px;
}

.btn3.open{
	bottom:105px;
	right:112px;
}

.btn4.open{
	bottom:40px;
	right:140px;
}